Álvaro was the son of unknown parents. The date and place of his birth have not been found.
His wife was Sancha Fernández de Trava. They were married, but the date and place have not been found. They had no known children.
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | comte de Sarria |
Note 1